private static ScriptHeader GenerateConsoleHeader(Stream scriptStream)
{
var header = new ScriptHeader();
var reader = new Reader(scriptStream);
scriptStream.Seek(0, SeekOrigin.Begin);
header.Rsc7Offset = reader.SReadUInt32() == 0x52534337 ? 0x10 : 0x0;
scriptStream.Seek(header.Rsc7Offset, SeekOrigin.Begin);
header.Magic = reader.SReadInt32(); //0x0
header.SubHeader = reader.SReadPointer(); //0x4
header.CodeBlocksOffset = reader.SReadPointer(); //0x8
header.GlobalsVersion = reader.SReadInt32(); //0x C
header.CodeLength = reader.SReadInt32(); //0x10
header.ParameterCount = reader.SReadInt32(); //0x14
header.StaticsCount = reader.SReadInt32(); //0x18
header.GlobalsCount = reader.SReadInt32(); //0x1C
header.NativesCount = reader.SReadInt32(); //0x20
header.StaticsOffset = reader.SReadPointer(); //0x24
header.GlobalsOffset = reader.SReadPointer(); //0x28
header.NativesOffset = reader.SReadPointer(); //0x2C
header.Null1 = reader.SReadInt32(); //0x30
header.Null2 = reader.SReadInt32(); //0x34
header.NameHash = reader.SReadInt32();
header.Null3 = reader.SReadInt32(); //0x38
header.ScriptNameOffset = reader.SReadPointer(); //0x40
header.StringsOffset = reader.SReadPointer(); //0x44
header.StringsSize = reader.SReadInt32(); //0x48
header.Null4 = reader.ReadInt32(); //0x4C
header.StringBlocks = (header.StringsSize + 0x3FFF) >> 14;
header.CodeBlocks = (header.CodeLength + 0x3FFF) >> 14;
header.StringTableOffsets = new int[header.StringBlocks];
scriptStream.Seek(header.StringsOffset + header.Rsc7Offset, SeekOrigin.Begin);
for (var i = 0; i < header.StringBlocks; i++)
{
header.StringTableOffsets[i] = reader.SReadPointer() + header.Rsc7Offset;
}
header.CodeTableOffsets = new int[header.CodeBlocks];
scriptStream.Seek(header.CodeBlocksOffset + header.Rsc7Offset, SeekOrigin.Begin);
for (var i = 0; i < header.CodeBlocks; i++)
{
header.CodeTableOffsets[i] = reader.SReadPointer() + header.Rsc7Offset;
}
scriptStream.Position = header.ScriptNameOffset + header.Rsc7Offset;
var data = scriptStream.ReadByte();
header.ScriptName = "";
while (data != 0 && data != -1)
{
header.ScriptName += (char)data;
data = scriptStream.ReadByte();
}
return(header);
}
public ScriptFile(Stream scriptStream, OpcodeSet opCodeSet)
{
_file = scriptStream;
CodeSet = opCodeSet;
_codeTable = new List <byte>();
Functions = new List <Function>();
AggFunctions = new List <Function>();
FunctionLoc = new Dictionary <int, FunctionName>();
Header = ScriptHeader.Generate(scriptStream);
StringTable = new StringTable(scriptStream, Header.StringTableOffsets, Header.StringBlocks,
Header.StringsSize);
X64NativeTable = new X64NativeTable(scriptStream, Header.NativesOffset + Header.Rsc7Offset,
Header.NativesCount, Header.CodeLength);
Name = Header.ScriptName;
for (var i = 0; i < Header.CodeBlocks; i++)
{
var tablesize = (i + 1) * 0x4000 >= Header.CodeLength ? Header.CodeLength % 0x4000 : 0x4000;
var working = new byte[tablesize];
scriptStream.Position = Header.CodeTableOffsets[i];
scriptStream.Read(working, 0, tablesize);
_codeTable.AddRange(working);
}
GetStaticInfo();
GetFunctions();
foreach (var func in Functions)
{
func.PreDecode();
}
Statics.Checkvars();
var dirty = true;
while (dirty)
{
dirty = false;
foreach (var func in Functions)
{
if (func.Dirty)
{
dirty = true;
func.Dirty = false;
func.DecodeInstructionsForVarInfo();
}
}
}
if (Program.AggregateFunctions)
{
foreach (var func in AggFunctions)
{
func.PreDecode();
}
}
foreach (var func in Functions)
{
func.Decode();
}
if (Program.AggregateFunctions)
{
foreach (var func in AggFunctions)
{
func.Decode();
}
}
}
